Mom always tells me that nothing can be learned _______hard work..
—Can you tell me _____________? —We are very good friends.
Your cat looks lovely. I also want to keep ___________.
—__________ if they have the party today? —Half the class won’t come.
—Do you think if we will go to the movie tomorrow? —I think we’ll go if we ___________ too much homework.
Listen! I hear some birds ___________ the tree. A. sing in B. singing in B. sing on D. singing on